<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
    <link href="style.css" rel="stylesheet" type="text/css">
    <script src="index.js"></script>
</head>
<body>
    <div id="content">
        <ul id="content_header"></ul>
        <div id="content_list"></div>
    </div>
    <div id="tips">
        <div id="tips_Content"></div>
    </div>
</body>
</html>
